Enjoin has the Latin verb jungere, meaning "to join," at its root, but the kind of joining expressed by enjoin is quite particular: it is about linking someone to an action or activity by either requiring or prohibiting it.

What does enjoin from mean?

1 : to direct or impose by authoritative order or with urgent admonition enjoined us to be careful. 2a : forbid, prohibit was enjoined by conscience from telling a lie. b : to prohibit by a judicial order : put an injunction on a book had been enjoined prior to publication— David Margolick.

What does enjoin mean in the Bible?

to direct or order to do something: He was enjoined to live more frugally. Law. to prohibit or restrain by an injunction.